Fernández-Olmos M, Dejo-Oricain N, Rosell-Martínez J. Product differentiation strategy and vertical integration: an application to the DOC Rioja wine industry. JBEM [Internet]. 2016Oct.27 [cited 2024Nov.20];17(5):796-809. Available from: https://jau.vgtu.lt/index.php/JBEM/article/view/2269